:root {
  --ink: #14201a;
  --muted: #4a5c52;
  --paper: #f3efe6;
  --panel: #fffdf8;
  --accent: #c45c26;
  --accent-dark: #9a4519;
  --line: rgba(20, 32, 26, 0.12);
  --shadow: 0 18px 50px rgba(20, 32, 26, 0.12);
  --radius: 18px;
  --font-display: "Syne", "Avenir Next", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(196, 92, 38, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(36, 84, 64, 0.14), transparent 50%),
    linear-gradient(180deg, #ebe4d6 0%, var(--paper) 42%, #e7efea 100%);
  min-height: 100vh;
}

a { color: inherit; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(243, 239, 230, 0.82);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand span { color: var(--accent); }

.nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a:hover { color: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  font-weight: 700;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(196, 92, 38, 0.28);
}

.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: end;
  min-height: calc(100vh - 78px);
  padding: clamp(2rem, 6vw, 5rem) clamp(1.25rem, 4vw, 3rem) 3rem;
}

.hero-copy { animation: rise 700ms ease both; }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 0 0 1rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p {
  max-width: 34rem;
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.75rem;
}

.cta-row { display: flex; gap: 0.85rem; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  min-height: 340px;
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(145deg, rgba(20, 32, 26, 0.92), rgba(36, 84, 64, 0.85)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cpath fill='none' stroke='rgba(255,255,255,0.08)' stroke-width='1' d='M0 80h160M80 0v160'/%3E%3C/svg%3E");
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise 900ms 120ms ease both;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto -10% -20% 35%;
  height: 70%;
  background: radial-gradient(circle, rgba(196, 92, 38, 0.55), transparent 65%);
  filter: blur(8px);
}

.stat-stack {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: end;
  gap: 0.85rem;
  padding: 1.5rem;
  z-index: 1;
}

.stat {
  background: rgba(255, 253, 248, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  backdrop-filter: blur(8px);
  animation: rise 800ms ease both;
}

.stat:nth-child(1) { animation-delay: 220ms; }
.stat:nth-child(2) { animation-delay: 340ms; }
.stat:nth-child(3) { animation-delay: 460ms; }

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.section {
  padding: 3.5rem clamp(1.25rem, 4vw, 3rem);
}

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.6rem;
}

.section > p {
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 1.75rem;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.plan {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 200ms ease, border-color 200ms ease;
}

.plan:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 92, 38, 0.45);
}

.plan.featured {
  background: #16241d;
  color: #f7f2ea;
  border-color: transparent;
}

.plan.featured p,
.plan.featured li { color: rgba(247, 242, 234, 0.78); }

.plan h3 {
  font-family: var(--font-display);
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.plan .price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  margin: 0.8rem 0 1rem;
}

.plan .price small {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.7;
}

.plan ul {
  margin: 0 0 1.4rem;
  padding-left: 1.1rem;
  color: var(--muted);
}

.plan li { margin: 0.35rem 0; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  max-width: 560px;
}

#portfolio.panel,
main.section > #portfolio {
  max-width: none;
}

.portfolio-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.portfolio-toolbar label {
  margin: 0;
}

.portfolio-toolbar select {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem 0.85rem;
  font: inherit;
  background: #fff;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0 1.25rem;
}

.metric {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.metric strong {
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0.75rem 0;
}

.chip-heading {
  flex: 0 0 100%;
  margin: 0.35rem 0 0;
  font-weight: 700;
  font-size: 0.95rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  background: #fff;
  font-size: 0.9rem;
}

.chip-ok {
  background: rgba(31, 107, 69, 0.1);
  border-color: rgba(31, 107, 69, 0.28);
}

.chip-warn {
  background: rgba(196, 92, 38, 0.12);
  border-color: rgba(196, 92, 38, 0.35);
}

.sample-title {
  font-family: var(--font-display);
  margin: 1.25rem 0 0.75rem;
  font-size: 1.15rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.92rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.data-table th {
  background: rgba(20, 32, 26, 0.04);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.data-table tr:last-child td { border-bottom: 0; }

.small { font-size: 0.8rem; }

@media (max-width: 900px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.panel h1,
.panel h2 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  margin-top: 0;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0.85rem 0 0.35rem;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
  font: inherit;
  background: #fff;
}

.stack { display: grid; gap: 1rem; }
.muted { color: var(--muted); }
.error { color: #9f1d1d; }
.ok { color: #1f6b45; }

.center-page {
  min-height: calc(100vh - 78px);
  display: grid;
  place-items: center;
  padding: 2rem 1.25rem;
}

.site-footer {
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 3rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .plan-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 260px; }
}